The Case of the Smiling Stiffs
"The First Sex-Rated Whodunit!"
Is Emma a voyeur vampire who can turn into a bat? Apparently, and she leaves many smiling faces on her victims after going down on them during a full moon. When they're not having sex with their suspects, two cops investigate the murders.
Directors: Brud Talbot, Sean S. Cunningham
Writers: Jerry Hayling, Others
Cast
IMDB: tt0071287